Home / 157,331.20-235,996.80-154,998.40

Finding the Fourth Proportional to 157,331.20, 235,996.80 and 154,998.40

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Solution

The fourth proportional to 157,331.20, 235,996.80 and 154,998.40 is: 232,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,331.20 : 235,996.80 = 154,998.40 : x
  2. Step 2: Convert to fraction form
    157,331.20/235,996.80 = 154,998.40/x
  3. Step 3: Cross multiply
    157,331.20x = 235,996.80 × 154,998.40
  4. Step 4: Simplify right side
    157,331.20x = 36,579,126,405.12
  5. Step 5: Solve for x
    x = 36,579,126,405.12/157,331.20
  6. Step 6: Final answer
    x = 232,497.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.